CVE-2022-39914 : Exploit Details and Defense Strategies

This article provides detailed information about the Exposure of Sensitive Information from an Unauthorized Actor vulnerability in Samsung DisplayManagerService affecting Samsung Mobile Devices.

Understanding CVE-2022-39914

In CVE-2022-39914, there is a vulnerability in Samsung DisplayManagerService that allows a local attacker to access connected DLNA device information on Samsung Mobile Devices.

What is CVE-2022-39914?

CVE-2022-39914 is a vulnerability that enables an unauthorized local actor to expose sensitive information from Samsung Mobile Devices via Samsung DisplayManagerService.

The Impact of CVE-2022-39914

This vulnerability can lead to the leakage of connected DLNA device information by a malicious local attacker. It poses a medium severity risk with a CVSS base score of 4.

Technical Details of CVE-2022-39914

Here are the technical aspects of CVE-2022-39914:

Vulnerability Description

The vulnerability allows local attackers to access DLNA device information, potentially compromising user privacy and security.

Affected Systems and Versions

Samsung Mobile Devices are affected by this vulnerability running Samsung DisplayManagerService with Android version less than T(13).

Exploitation Mechanism

The vulnerability can be exploited by a local attacker to retrieve sensitive information from connected DLNA devices via the DisplayManagerService.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-39914, consider the following actions:

Immediate Steps to Take

Update Samsung Mobile Devices to Android T(13) or higher to address the vulnerability.
Monitor DLNA device connections and limit access to trusted networks.

Long-Term Security Practices

Implement network segmentation to isolate sensitive devices from potential attackers.
Regularly educate users on security best practices to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Samsung Mobile and apply patches promptly to protect against known vulnerabilities.